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Why do Hurricanes go Counterclockwise in the Northern Hemisphere?
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In this kinesthetic activity, learners will play a game with a ball to demonstrate the Coriolis force, which partly explains why hurricanes in the Northern Hemisphere rotate counterclockwise.

¡Investigando hormigas!
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En esta tira cómica, Mateo y Cientina observan unas hormigas para contestar algunas preguntas: ¿Qué comen las hormigas?

Does the Moon Rotate?
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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

Rocket Pinwheel
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This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction.

Polarized Sunglasses
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In this activity, learners explore how polarizing sunglasses can help diminish road glare.

Soda Geyser
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In this quick activity (page 1 of PDF under SciGirls Activity: Lift Off), learners will use the ever-popular soda geyser experiment to test the reactivity of the various sugar candies or mints.

Safe in the Sun
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

Weather Vane
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

Solving Playground Network Problems
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In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.

Solar Cell Simulation
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In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.

Protect That BRAIN!: Mr. Egghead
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This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

Why Does the Moon Have Phases?
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In this activity, learners use a simple 3D model to discover why the Moon has phases.

Measure the Sun's Size
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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

Tide Pool Survival
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In this activity, learners observe tide pool animals in a touch tank to consider how they survive.
Filling the Time
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Build time sense into the schedule by asking learners to predict what can happen in a certain amount of time: We have 20 minutes before outdoor time. What can you get done?

Spot the Sunspots
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In this activity, learners use binoculars (or a telescope) to identify and track sunspots. If using binoculars, learners need a pair that can be secured on a tripod.

Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

Melts in Your Bag, Not in Your Hand
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In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

Beach Finds Curiosity Cart
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In this activity, learners observe hard parts of sea creatures (shells, molts, etc.) to better understand marine environments.

Twirling Rope Frequency
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In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record